Scientific ClassificationKingdom: Animalia
Phylum: Echinodermata
Class: Echinoidea
Order: Diadematoida
Family: Diadematidae
Genus: Echinothrix
Species: Calamaris Distribution/Habitat-Habits prevalent in the Red Sea, South Africa, Hawaii, Mauritius, Solomon Islands, New Caledonia, Tahiti and the waters of northern Australia
-Live in depths of 0 to 90 m Physical Description-Has two sets of spines: a shorter one which is a darker color,and may deliver a nasty sting in the face of predators, and longer, exposed ones that are banded
-Spines act as a means of protection, and may scrape off algae from ocean surfaces
-Spines often reach up to 9 inches
Phylum: Echinodermata
Class: Echinoidea
Order: Diadematoida
Family: Diadematidae
Genus: Echinothrix
Species: Calamaris
-Live in depths of 0 to 90 m
-Spines act as a means of protection, and may scrape off algae from ocean surfaces
-Spines often reach up to 9 inches
Ecological Roles
-Moves around during the night, hiding in rock crevices to conceal its body during the day
-When it loses its spines, it is a clear sign that the water quality is poor
-Smaller fish hide in the spines of the banded Sea Urchin during the day, and then leave at night to find food (symbiotic relationship)
Sourceshttp://en.wikipedia.org/wiki/Echinothrix_calamarishttp://reefguide.org/bandedurchin.htmlhttp://mundoarrecife.es/images/ECHINOTHRIX%20CALAMARIS.jphttp://www.summagallicana.it/lessico/r/r%20Echinothrix%20calamaris.JPGhttp://images.travelpod.ca/users/cwelch/1.1290015645.anemone-habitat.jpg